Subelement A: General Information and System Overview.— Topic :
Question 2A5
Element 7R (GMDSS-RO)What system provides accurate vessel position information to the GMDSS equipment?
Explanation
The Global Positioning System (GPS) is a worldwide satellite-based navigation system that provides precise, continuous position, velocity, and time information. GMDSS (Global Maritime Distress and Safety System) equipment, such as DSC radios, Inmarsat terminals, and some EPIRBs, relies on an accurate and constantly updated vessel position to effectively transmit distress alerts and facilitate search and rescue operations. A GPS receiver integrated into or interfaced with GMDSS equipment supplies this crucial positioning data.
COSPAS-SARSAT is an international satellite system for detecting and locating distress beacons, not a source of continuous navigation for a vessel. An EPIRB is a distress beacon that transmits position data in an emergency, it doesn't *provide* continuous position *to* other GMDSS equipment. Inmarsat-B is a communication service, not a positioning system itself.
Related Questions
2A3 What equipment is used in or near the survival craft?2A4 What equipment is programmed to initiate transmission of Distress alerts and calls to individual stations?2A6 Which of these can be used to receive MSI?30E1 Which is not a function of a satellite under COSPAS-SARSAT using satellite EPIRBs?30E2 Which of the following satellite systems is of particular & dedicated importance to search and rescue missions under GMDSS?